Finding the Fourth Proportional to 722,073.36, 996,328.44 and 416,106.84
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Solution
The fourth proportional to 722,073.36, 996,328.44 and 416,106.84 is: 574,150.91
Step by Step Solution
- Step 1: Write the proportion equation
722,073.36 : 996,328.44 = 416,106.84 : x - Step 2: Convert to fraction form
722,073.36/996,328.44 = 416,106.84/x - Step 3: Cross multiply
722,073.36x = 996,328.44 × 416,106.84 - Step 4: Simplify right side
722,073.36x = 414,579,078,770.53 - Step 5: Solve for x
x = 414,579,078,770.53/722,073.36 - Step 6: Final answer
x = 574,150.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.